Finding the Fourth Proportional to 660,940,078,720.93, 991,862,980,290 and 230,677,163,343.99
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Solution
The fourth proportional to 660,940,078,720.93, 991,862,980,290 and 230,677,163,343.99 is: 346,173,800,145.38
Step by Step Solution
- Step 1: Write the proportion equation
660,940,078,720.93 : 991,862,980,290 = 230,677,163,343.99 : x - Step 2: Convert to fraction form
660,940,078,720.93/991,862,980,290 = 230,677,163,343.99/x - Step 3: Cross multiply
660,940,078,720.93x = 991,862,980,290 × 230,677,163,343.99 - Step 4: Simplify right side
660,940,078,720.93x = 228,800,138,719,213,043,843,072 - Step 5: Solve for x
x = 228,800,138,719,213,043,843,072/660,940,078,720.93 - Step 6: Final answer
x = 346,173,800,145.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.